Home / 14,425.06-19,906.90-8,137.44

Finding the Fourth Proportional to 14,425.06, 19,906.90 and 8,137.44

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Solution

The fourth proportional to 14,425.06, 19,906.90 and 8,137.44 is: 11,229.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,425.06 : 19,906.90 = 8,137.44 : x
  2. Step 2: Convert to fraction form
    14,425.06/19,906.90 = 8,137.44/x
  3. Step 3: Cross multiply
    14,425.06x = 19,906.90 × 8,137.44
  4. Step 4: Simplify right side
    14,425.06x = 161,991,204.34
  5. Step 5: Solve for x
    x = 161,991,204.34/14,425.06
  6. Step 6: Final answer
    x = 11,229.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.